Two sound sources emitting plane waves separated by 12 meter vibrates according to law y1=3cos4πt and y2=4sin4πt respectively. A point in the medium is at a position 8m from first source and 4m from second on the line joining two sources. The sources out waves of velocity 32 m/s. find equation of the motion of the particles (y1, y2are in centimeter and t is in second)
A) yR=5sin(4πt+tan−1(43))
B) yR=−5sin(4πt+tan−1(34))
C) yR=−5sin(4πt+tan−1(43))
D) yR=5sin(4πt+tan−1(34
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